STOP Early Journal Content on JSTOR, Free to Anyone in the World This article is one of nearly 500,000 scholarly works digitized and made freely available to everyone in the world by JSTOR. Known as the Early Journal Content, this set of works include research articles, news, letters, and other writings published in more than 200 of the oldest leading academic journals. The works date from the mid-seventeenth to the early twentieth centuries. We encourage people to read and share the Early Journal Content openly and to tell others that this resource exists. People may post this content online or redistribute in any way for non-commercial purposes. Read more about Early Journal Content at http://about.jstor.org/participate-jstor/individuals/early- journal-content . JSTOR is a digital library of academic journals, books, and primary source objects. JSTOR helps people discover, use, and build upon a wide range of content through a powerful research and teaching platform, and preserves this content for future generations. JSTOR is part of ITHAKA, a not-for-profit organization that also includes Ithaka S+R and Portico. For more information about JSTOR, please contact email@example.com. 1851,] 255 DONATIONS TO MUSEUM In July and August, 1851. July 1st. Crustacea of the genera Aletecyclus, Grapsus, Chlorodius and Lissa, Por- tunus, from the Mediterranean and Oypridina, from the British Seas ; Moliusca, of the genera Crenelia, Modiola, Galleonerna, Papa Helix, Cardita, Lucina, Spiralis, Area, Buccinum, Astarte, Chiton, Pinguicula, Leda, Pecten, Nacra, Emarginula, Terebratula, Kellia, from the South of Europe, North of Africa, &c. Presented by Mr. McAndrew. Very fine specimen in skiu of Rupicola peruviana, from near Quito. Pre- sented by M. Bourcier. Crustacea from Pembrokeshire, Wales, of the genera Hyas, Amphitboe, Hippolyte, Talitrus, Crangon, Palsemon, Ebalia, Portunus, Porcellana, Car- cinus. From E. & C. Wilson, of Pembrokeshire. Palinurus Burgerii, Doclea muricata, Matuta Peronii, from Borneo ; Pagurus, Carcinus Portunus, Porcellana, Stenorhynchus, Cancer, Crangon, from Pem- brokeshire; Asterias, Solaster, Heuricra, Palmipes, Ophiopbis, Ophiothrix, Astropecten, Echinus, Ampbidotus, Brisiopsis, from the British Seas ; also., Pecten niveus, Serpuia serrulata. Presented by Edward Wilson, Esq. July 8th. Crustacea of the genera Palaemon, Portunus, Crangon, Ebalia, Eurynome, Ligia, Galatbea, Cancer, Hyas, Inachus, Pinnotheres, Idotea, Pagurus, Arma- dillo, Carcinus, Stenorhynchus, Anonyx, Ophiolepus, Pilumnus and Xantho, from the British Seas; Echinodermata, &c, of tlie genera Echinus, Palmipes, Ophiura, Spatangus, Solaster, Asterias, Ophiotrix, Echinocardium, Pavonaria, Brissus, Turbinola, Caryophillia, from the British Seas; also portions of rock, with attached Terebratula, Crania and Serpuia from the British Seas. From Mr. Edward Wilson. Pine specimens of Panopoea and Venus mercenaria, from St. Mary's County, Maryland. Presented by Mr. J. Gilliams. Unio favidens, U. marginatus, 6 ages, Paludina ceranicoponaea, P. Bengal- ensis, Linnaj chalmys, Planorbis compressus, P. indicus, Pupa pullus, P. bicolor, Bulimus pretiosus, B. gracilis, Succinea crassinscula. From Theodore Cantor, M. D., of the Bengal Staff. Three specimens of Erinaceus europasus, four of Talpa vulgaris, from Scot- land. From Dr. Gavin Watson. July \hth. Numerous specimens of Silurian fossils, from the vicinity of Qrwigsburg, Pa., and fragments of rock, with organic remains, from near Smyrna, Del. From W. Parker Foulke, Esq. Fine specimen of a Silurian fossil, from near Orwigsburg, Pa. From Thomas Bannan, Esq. Four Silurian fossils, from Keokuk, Mississippi, and one do. from the Falls of St. Anthony ; Asphaltum, from Arkansas; Agate pebbles, from Lake Pepin. Presented by Mr. M. Maslin. Seven specimens of Minerals, from near the Yellow Springs, and Reading, Pa. Presented by Mr. Isaac Lea. July 22d. Marsupium of Didelphis virginiana, containing four embryos of about six d*ys old, three of them adherent to the nipple. Prepared by Dr. Goddard and preserved in Goadby's Solution, Presented by Dr. C. D. Meigs. 256 [August, August 5th. Five specimens of Ephialtes asio, male, female and three young. From Mr. Samuel Powel. Seven specimens of Phosphate of Lime, from Huntsville, Morris Co., N. J. From Dr. J. C. Fisher. August 12th. Mounted snpcimens of Tamins Lysterii, Mustela erminea, (white pelage,) Philadelphia Co., and the same in brown pelage, from England. Presented by Mr. William Wood. Fossil Spatangus, from the Marl, Salem Co., N. J. F'om Dr. Zantzinser. Alumina, with peroxide of iron, used as a mineral paint, from the new red sandstone, near Norristown, Pa. Presented by Aubrey H. Sinuh, Esq. August 19th. Head of the Walrus, Trichecus rosmarus, from the Arctic Ocean. Pre- sented by Sandwith Drinker, Esq., of Hong Kong, China. Hiruudo rustica', and Emberiza rustica?, from Japan. From Lieut. Edward Brinley, U S, N. Three specimens of Fucoides Alleghaniensis, from the Juniata river, near Lewistown, Pa. Presented by Dr. Joseph Ard. DONATIONS TO LIBRARY In July and August, 1851. July 8th. Annales des mines. 4me. serie. 6me liv. de 1850, lme liv. de 1851. From the Ecoledes Mines. Catalogue of Malayan Fishes. By Theodore Cantor, M. D. 8vo. From the author. The Pennsylvania Farm Journal. S. S. Haldeman, editor. Nos. 1 — 4. From the editor. On the geographical distribution of the Bulimi. By Lovell Reeve. From the author. Leeds Philosophical and Literary Society. Annual report for 1849, '50. From the Society. Proceedings of the Geological and Polytechnic Society of the West Riding of Yorkshire, 1850. From the Society. Journal of the Indian Archipelago and Eastern Asia. Vol. 3, Nos. 1 and 2. From the editor. Archiv. fur Naturgeschichte. Herau9geg. von Dr. F. H. Troschel. Nos. 3, 4, 5, 1849, No. 1, 1850. From the editor. Contributions to Ornithology. By Sir Wm. Jardine. Pts. 1 and 2, 1851. From H. E. Strickland, Esq. Proceedings of the Linoean Society of London. Nos. 35 — 43. From the Society. List of the Linnean Society of London, for 1850. From the same. Dr. Wilson presented the following, on the usual condition : — Sjstematische Beschreibung der bekannten europaischen zweifliigeligen In- sekten. Von J. W. Meigen. 2 vols. 8vo. History of tbe txpedition, uider Capts. Lewis and Clark, to the sources of the Missouri, &c. American edition, by Paul Allen. 2 vols. 8vo The Natural Hist <ry of Ireland. Vol. 3. Birds. By W. Thompson, Esq. 8vo.